document.write( "Question 620043: It takes bob 4 hours to paint a house and it takes jim 6 hours to paint the same house. How long will it take bob and jim together to paint the house? \n" ); document.write( "
Algebra.Com's Answer #389882 by nerdybill(7384)\"\" \"About 
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It takes bob 4 hours to paint a house and it takes jim 6 hours to paint the same house. How long will it take bob and jim together to paint the house?
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\n" ); document.write( "Let x = time (hours) it takes for both
\n" ); document.write( "then
\n" ); document.write( "x(1/4 + 1/6) = 1
\n" ); document.write( "multiplying both sides by 12:
\n" ); document.write( "x(3 + 2) = 12
\n" ); document.write( "x(5) = 12
\n" ); document.write( "x = 12/5
\n" ); document.write( "x = 2 and 2/5 hours
\n" ); document.write( "or
\n" ); document.write( "x = 2.4 hours
\n" ); document.write( "or
\n" ); document.write( "x = 2 hours and 24 minutes
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